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Doctor insights on: Is Tar Or Nicotine The Cause Of Lung Cancer

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What exactly is it that causes lung cancer. Is it the nicotine, the tobacco, or the smoke?

What exactly is it that causes lung cancer. Is it the nicotine, the tobacco, or the smoke?

The smoke: It is the smoke that causes the lung cancer. The smoke causes an intense inflammatory reaction in the lungs, and when this continues for years and years, it can cause lung cancer. Now, the nicotine itself doesn't usually cause the cancer, but it is more addictive than heroin. Thus, you get hooked on the cigarettes, which have the smoke, which causes the cancer. A very, very sinister product. ...Read more

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Dr. Barry Rosen
4,223 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Im 16 can i get lung cancer from smoking electronic cigarettes with nicotine ive been smoking them for about a year and i do every day,smoke alot during the day so is it possible for me to get lung cancer from smoking them?

Im 16 can i get lung cancer from smoking electronic cigarettes with nicotine ive been smoking them for about a year and i do every day,smoke alot during the day so is it possible for me to get lung cancer from smoking them?

Unknown: Longterm effects of e-cigarettes are not known since they are relatively new. They may be safer than traditional cigarettes from a cancer standpoint but effects of nicotine on your health can be dangerous as well. ...Read more

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Can you get lung cancer from smoking tobacco / nicotine free herbal cigarettes?

Can you get lung cancer from smoking tobacco / nicotine free herbal cigarettes?

Yes: Smoke is an irritant to the lining of the lungs, causing the body to react and "defend" against the irritation and try to remove the smoke particles. Some smoke compounds are known to cause cells to become cancerous. ...Read more

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What is the usual cause of lung cancer?

What is the usual cause of lung cancer?

Smoking: Although three are some common causes of lung cancer by far the most common culprit is cigarette smoking. ...Read more

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Can any doc tell me what's the 2nd most common cause of lung cancer?

Can any doc tell me what's the 2nd most common cause of lung cancer?

Almost in order: 1st cigaretts then: pipe and cigars, asbestos, radon family genes. History of lung ca pollution. People forget radon alot for non smokers. Hope it helps. Look at the american cancer society web site. ...Read more

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As a doctor do you feel that tobacco is the main cause of lung cancer, or is it the chemicals big companies pt, or is there not enough research?

As a doctor do you feel that tobacco is the main cause of lung cancer, or is it the chemicals big companies pt, or is there not enough research?

YES,: But not because of the nicotine that gets you hooked, but from all the other components such as the tar and the heat of the smoke is also a factor. Do non- smokers get lung cancer, yes they do but not in the high numbers we see from first hand and second hand smoke from tobacco. The only chemical that has been a cause for concern is the addition of extra nitcotine in the tobacco, but can't prove ...Read more

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Could car fumes cause lung cancer?

Could car fumes cause lung cancer?

Not likely: The vast majority of lung cancer is caused by smoking - i.e. First hand cigarette smoke. Lung cancer is rare in people who have never smoked. If car exhaust were an important contributor we'd see far more cancer in people who had never smoked. ...Read more

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Can cigars cause lung cancer?

Can cigars cause lung cancer?

Yes: They're not so deadly as cigarettes because people smoke fewer and the smoke is so disgusting that it's not much inhaled. However, I've autopsied two non-smoking wives of heavy cigar smokers who died of smoker-type lung cancer -- my only non-smoker lung cancer autosies. I'd had to be a husband who had to live with that one. ...Read more

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How can smoking cause lung cancer?

How can smoking cause lung cancer?

Many ways: Smoking accounts for the vast majority (but not all) cases of lung cancer. Cigarette smoke contains many substances (carcinogens) that predispose to cancer. They do this in different ways, like interfering with normal lung cell functions, making them divide more rapidly or die more slowly, or by suppressing the normal immune response to tumors. Don't smoke. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


Dr. David Cooke
827 doctors shared insights

Lung Cancer (Definition)

From national cancer institute: "cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer. These types are diagnosed based on how the cells ...Read more